JP5877324B2 - Heat pump unit - Google Patents
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- JP5877324B2 JP5877324B2 JP2011184408A JP2011184408A JP5877324B2 JP 5877324 B2 JP5877324 B2 JP 5877324B2 JP 2011184408 A JP2011184408 A JP 2011184408A JP 2011184408 A JP2011184408 A JP 2011184408A JP 5877324 B2 JP5877324 B2 JP 5877324B2
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Description
本発明は、水等の流体と冷媒等の二種の流体を熱交換させるための熱交換器を備えたヒートポンプユニットに関するものである。 The present invention relates to a heat pump unit including a heat exchanger for exchanging heat between a fluid such as water and two kinds of fluid such as a refrigerant.
従来、この種のヒートポンプユニットの熱交換器としては、略円筒上の圧縮機と前記圧縮機の吐出冷媒にて水を加熱する水冷媒熱交換器と前記圧縮機と前記水冷媒熱交換器とを載置する底板とを備え、前記水冷媒熱交換器を前記圧縮機の側方に配置する構成が知られている（例えば、特許文献１参照）。 Conventionally, as a heat exchanger of this type of heat pump unit, a substantially cylindrical compressor, a water refrigerant heat exchanger that heats water with a refrigerant discharged from the compressor, the compressor, and the water refrigerant heat exchanger, There is known a configuration in which the water refrigerant heat exchanger is disposed on the side of the compressor (see, for example, Patent Document 1).
図５は、特許文献１に記載された従来のヒートポンプユニットの内部部品の取り付け構造を示すものである。 FIG. 5 shows an attachment structure for internal components of a conventional heat pump unit described in Patent Document 1. As shown in FIG.
図５に示すように、ヒートポンプユニットの底板１０１上には、略円筒上の圧縮機１０２と、その側方に前記圧縮機１０２の吐出冷媒にて水を加熱する水冷媒熱交換器１０３を載置し、またもう一方には加熱した湯水を循環させるための温水接続管１０４を備えている。 As shown in FIG. 5, on the bottom plate 101 of the heat pump unit, a substantially cylindrical compressor 102 and a water refrigerant heat exchanger 103 that heats water with the refrigerant discharged from the compressor 102 are mounted on the side of the compressor 102. The other is provided with a hot water connecting pipe 104 for circulating heated hot water.
しかしながら、上記従来の構成では、ヒートポンプユニットの内部部品の配置構成は開示されているが、水冷媒熱交換器１０３の接続部に関する具体的構成は開示されていない。 However, in the above-described conventional configuration, the arrangement configuration of the internal components of the heat pump unit is disclosed, but the specific configuration related to the connection portion of the water refrigerant heat exchanger 103 is not disclosed.
また、従来の水冷媒熱交換器１０２の接続部の形状では、接続部の軸方向への分岐だけのために接続配管の設計自由度が限られ、本体のサイズが大きくなるという課題を有していた。 Further, the shape of the connecting portion of the conventional water-refrigerant heat exchanger 102 has a problem that the degree of freedom of design of the connecting pipe is limited only because the connecting portion is branched in the axial direction, and the size of the main body is increased. It was.
本発明は、上記従来の課題を解決するもので、コンパクトなヒートポンプユニットを提供することを目的とするものである。 The present invention solves the above-described conventional problems, and an object of the present invention is to provide a compact heat pump unit.
上記従来の課題を解決するために、本発明のヒートポンプユニットは、略円筒状の圧縮機と、前記圧縮機の吐出冷媒にて水を加熱する水冷媒熱交換器と、前記圧縮機と前記水冷媒熱交換器とを載置する底板とを備え、前記水冷媒熱交換器は二重管方式で複数のパスにて螺旋状に形成され、水を流出させる水接続配管と前記圧縮機の吐出管とを水冷媒熱交換器に接続する接続管を備え、前記水冷媒熱交換器を前記圧縮機の側方に配置し、前記水接続配管を前記圧縮機の前方に配置し、前記吐出管からの冷媒を分流して前記接続管に流入させる分岐管を前記圧縮機と前記水冷媒熱交換器との間の空間に配置し、前記接続管の水が流れる流路の中心軸は、前記接続管の冷媒が流れる流路の中心軸と直交し、前記水接続配管の中心軸と平行とすることを特徴とするものである。 In order to solve the above-described conventional problems, a heat pump unit of the present invention includes a substantially cylindrical compressor, a water refrigerant heat exchanger that heats water with a refrigerant discharged from the compressor, the compressor, and the water. A bottom plate on which a refrigerant heat exchanger is placed, and the water refrigerant heat exchanger is formed in a spiral shape in a plurality of passes in a double tube system, and water discharge piping for discharging water and discharge of the compressor A connecting pipe that connects the pipe to the water refrigerant heat exchanger, the water refrigerant heat exchanger is arranged on the side of the compressor, the water connecting pipe is arranged in front of the compressor, and the discharge pipe A branch pipe for diverting the refrigerant from the pipe and flowing into the connection pipe is disposed in a space between the compressor and the water-refrigerant heat exchanger, and the central axis of the flow path through which the water of the connection pipe flows is perpendicular to the central axis of the flow path where the refrigerant connection pipes flows, and parallel to the central axis of the water connecting pipes that It is an feature.
これにより、略円筒状の圧縮機と水冷媒熱交換器との間の空間を、部材配置空間として有効活用することで、コンパクトなヒートポンプユニットを提供できる。 Thereby, a compact heat pump unit can be provided by effectively utilizing the space between the substantially cylindrical compressor and the water-refrigerant heat exchanger as a member arrangement space.
本発明によれば、コンパクトなヒートポンプユニットを提供できる。 According to the present invention, a compact heat pump unit can be provided.
第１の発明は、略円筒状の圧縮機と、前記圧縮機の吐出冷媒にて水を加熱する水冷媒熱交換器と、前記圧縮機と前記水冷媒熱交換器とを載置する底板とを備え、前記水冷媒熱交換器は二重管方式で複数のパスにて螺旋状に形成され、水を流出させる水接続配管と前記圧縮機の吐出管とを水冷媒熱交換器に接続する接続管を備え、前記水冷媒熱交換器を前記圧縮機の側方に配置し、前記水接続配管を前記圧縮機の前方に配置し、前記吐出管からの冷媒を分流して前記接続管に流入させる分岐管を前記圧縮機と前記水冷媒熱交換器との間の空間に配置し、前記接続管の水が流れる流路の中心軸は、前記接続管の冷媒が流れる流路の中心軸と直交し、前記水接続配管の中心軸と平行とすることを特徴とするヒートポンプユニットである。 The first invention includes a substantially cylindrical compressor, a water refrigerant heat exchanger that heats water with a refrigerant discharged from the compressor, and a bottom plate on which the compressor and the water refrigerant heat exchanger are placed. The water-refrigerant heat exchanger is formed in a spiral shape in a plurality of passes by a double pipe system, and connects a water connection pipe for allowing water to flow out and a discharge pipe of the compressor to the water-refrigerant heat exchanger. A connecting pipe, the water refrigerant heat exchanger is arranged on the side of the compressor, the water connecting pipe is arranged in front of the compressor, and the refrigerant from the discharge pipe is diverted to the connecting pipe. A branch pipe to be introduced is arranged in a space between the compressor and the water-refrigerant heat exchanger, and a central axis of a flow path through which water of the connection pipe flows is a central axis of a flow path through which refrigerant of the connection pipe flows It is a heat pump unit characterized by being orthogonal to and parallel to the central axis of the water connection pipe .
これにより、略円筒状の圧縮機と水冷媒熱交換器との間の空間を、部材配置空間として有効活用することで、コンパクトなヒートポンプユニットを提供できる。 Thereby, a compact heat pump unit can be provided by effectively utilizing the space between the substantially cylindrical compressor and the water-refrigerant heat exchanger as a member arrangement space.
以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によってこの発明が限定されるものではない。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments.
（実施の形態１）
図１は、本発明の第１の実施の形態における温水暖房用ヒートポンプユニットの内観斜視図である。
(Embodiment 1)
FIG. 1 is an internal perspective view of a heat pump unit for hot water heating according to the first embodiment of the present invention.
図１に示すように、給湯装置と同じヒートポンプユニットの筐体の底部を構成する底板２の上には、冷媒を圧縮、循環する圧縮機３、銅管で構成された、水１２（あるいは不凍液）などの熱媒体と冷媒の熱交換を行う水冷媒熱交換器４、蒸発器である空気熱交換器９送風ファン１０があり、それぞれ給湯装置用と同じ配置構成で順次環状に接続して閉回路を構成し、冷媒を循環させる冷凍サイクルを構成している。 As shown in FIG. 1, on a bottom plate 2 constituting the bottom of a housing of the same heat pump unit as a hot water supply device, a compressor 3 for compressing and circulating a refrigerant, water 12 (or antifreeze liquid) composed of a copper tube. ) Etc., there are a water refrigerant heat exchanger 4 for exchanging heat between the refrigerant and the refrigerant, an air heat exchanger 9 which is an evaporator, and a blower fan 10, each of which is connected in an annular manner and closed in sequence with the same arrangement as for the hot water supply device The circuit constitutes a refrigeration cycle for circulating the refrigerant.
また、水冷媒熱交換器４で加熱した温水を外部放熱器（図示せず）へ送る温水接続配管５を備えている。 Moreover, the hot water connection piping 5 which sends the hot water heated with the water refrigerant | coolant heat exchanger 4 to an external radiator (not shown) is provided.
以上のように配置構成されたそれぞれの部品は、水接続配管６と吐出管７とを備え、接続管８により水冷媒熱交換器４へ接続される。 Each component arranged and configured as described above includes a water connection pipe 6 and a discharge pipe 7, and is connected to the water refrigerant heat exchanger 4 through the connection pipe 8.
また、この接続管８と、圧縮機３の吐出管７からの冷媒１１を分流して水冷媒熱交換器４に流入させるための分岐管８ａとを、圧縮機３と水冷媒熱交換器４の間の空間に位置させ構成している。 Further, the connecting pipe 8 and the branch pipe 8 a for diverting the refrigerant 11 from the discharge pipe 7 of the compressor 3 to flow into the water refrigerant heat exchanger 4 are connected to the compressor 3 and the water refrigerant heat exchanger 4. It is located in the space between.
以上のように構成された温水暖房用ヒートポンプユニットについて、以下その動作、作用を説明する。 About the heat pump unit for hot water heating comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.
まず、水冷媒熱交換器４で加熱された温水が、温水接続配管５を通り外部放熱器（図示せず）へと送られ、外部放熱器の設置された居室を暖房し、そこから温水接続配管５へと温水が戻り再びヒートポンプユニット１で加熱され、温水接続配管５へと送られる。 First, hot water heated by the water-refrigerant heat exchanger 4 is sent to an external radiator (not shown) through the hot water connection pipe 5, and the room where the external radiator is installed is heated, and hot water is connected from there. The hot water returns to the pipe 5 and is heated again by the heat pump unit 1 and sent to the hot water connection pipe 5.
従来の給湯装置に用いるヒートポンプユニットと動作は同じであり、外部放熱器（図示せず）へ接続する温水接続配管５からの水接続配管６を給湯装置用のヒートポンプユニット内の圧縮機３と水冷媒熱交換器４の間の空間で接続することにより、給湯装置用のヒートポンプユニットの流用が可能となり、コンパクトなシャーシでコストをかけることなく温水暖房用のヒートポンプユニットが実現できる。 The operation is the same as that of a heat pump unit used in a conventional water heater, and a water connection pipe 6 from a hot water connection pipe 5 connected to an external radiator (not shown) is connected to the compressor 3 and water in the heat pump unit for the water heater. By connecting in the space between the refrigerant heat exchangers 4, it is possible to divert the heat pump unit for the hot water supply device, and a heat pump unit for hot water heating can be realized without cost by a compact chassis.
図２は、温水暖房用ヒートポンプユニットの水冷媒熱交換器の外観斜視図である。 FIG. 2 is an external perspective view of the water refrigerant heat exchanger of the heat pump unit for hot water heating.
図２に示すように、この水冷媒熱交換器４は複数のパスにて螺旋状に形成され、外側に吐出管７からの冷媒を流し、内側に水接続配管６からの水１２（あるいは不凍液）を対交流で流す二重管式の熱交換器であり、吐出管７からの冷媒を分流して水冷媒熱交換器に流入させるための分岐管８ａと接続管８とを設けた構成としている。 As shown in FIG. 2, the water refrigerant heat exchanger 4 is formed in a spiral shape in a plurality of passes, the refrigerant from the discharge pipe 7 flows outside, and the water 12 (or antifreeze liquid) from the water connection pipe 6 flows inside. ) Is a double-pipe heat exchanger that flows in an alternating current, and includes a branch pipe 8a and a connecting pipe 8 for diverting the refrigerant from the discharge pipe 7 and flowing it into the water-refrigerant heat exchanger. Yes.
以上のように構成された水冷媒熱交換器４について、以下その動作、作用を説明する。 About the water refrigerant heat exchanger 4 comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.
まず、水冷媒熱交換器４の外側を冷媒１１が通過し、内側を水１２（あるいは不凍液）などの熱媒体が冷媒１１の流れと逆方向から流入し流れ、冷媒１１と水１２（あるいは不凍液）などの熱媒体が熱交換を行うようになっている。 First, the refrigerant 11 passes through the outside of the water-refrigerant heat exchanger 4, and a heat medium such as water 12 (or antifreeze liquid) flows in from the opposite direction to the flow of the refrigerant 11, and flows through the inside. ) And the like heat exchange.
接続部に、前記吐出管からの冷媒１１を分流して前記水冷媒熱交換器４に流入させるための分岐管８ａを設けたことにより、より効率の良い熱交換器を接続させることが実現できる。 By providing the branch pipe 8a for diverting the refrigerant 11 from the discharge pipe and flowing it into the water refrigerant heat exchanger 4 at the connection portion, it is possible to realize a more efficient heat exchanger to be connected. .
図３は、温水暖房用ヒートポンプユニットの水冷媒熱交換器の外観右側面図である。図３に示すように、この水冷媒熱交換器４の接続管８は、ユニット内方に配設された分岐管８ａ側から冷媒を流入する構成となる。 FIG. 3 is an external right side view of the water refrigerant heat exchanger of the heat pump unit for hot water heating. As shown in FIG. 3, the connecting pipe 8 of the water-refrigerant heat exchanger 4 has a configuration in which the refrigerant flows from the branch pipe 8a provided inside the unit.
また、図４は、温水暖房用ヒートポンプユニットの水冷媒熱交換器の外観正面図である。図４に示すように、この水冷媒熱交換器４の接続管８の水用流路１４は、水接続配管６と同軸とした構成となる。 FIG. 4 is an external front view of the water refrigerant heat exchanger of the heat pump unit for hot water heating. As shown in FIG. 4, the water flow path 14 of the connection pipe 8 of the water refrigerant heat exchanger 4 is configured to be coaxial with the water connection pipe 6.
以上のように構成された水冷媒熱交換器４について、以下その動作、作用を説明する。 About the water refrigerant heat exchanger 4 comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.
まず、冷媒１１は、吐出管７、分岐管８ａ、接続管８の順に水冷媒熱交換器４の外側に流入し流れ、水１２（あるいは不凍液）などの熱媒体は、内側を水接続配管６から冷媒１１の流れと逆方向から流入し流れ、冷媒１１と水１２（あるいは不凍液）などの熱媒体が
熱交換を行うようになっている。水用流路を同軸にすることにより、圧力損失がなく大流量の温水を循環させることが実現できる。
First, the refrigerant 11 flows into the outside of the water-refrigerant heat exchanger 4 in the order of the discharge pipe 7, the branch pipe 8 a, and the connection pipe 8, and a heat medium such as water 12 (or antifreeze liquid) flows inside the water connection pipe 6. Thus, the refrigerant 11 flows in the direction opposite to the flow of the refrigerant 11, and the heat medium such as the refrigerant 11 and water 12 (or antifreeze) exchanges heat. By making the water flow path coaxial, it is possible to circulate a large flow of hot water without pressure loss.
以上のように、本発明にかかるヒートポンプユニットは、コンパクトで安価に実現できるので、給湯機や温水供給装置に適用できる。 As described above, the heat pump unit according to the present invention is compact and can be realized at a low cost, and thus can be applied to a hot water heater and a hot water supply device.
１ ヒートポンプユニット
２ 底板
３ 圧縮機
４ 水冷媒熱交換器
５ 温水接続配管
６ 水接続配管
７ 吐出管
８ 接続管
８ａ 分岐管
１１ 冷媒
１２ 水（あるいは不凍液）
１４ 水用流路
DESCRIPTION OF SYMBOLS 1 Heat pump unit 2 Bottom plate 3 Compressor 4 Water refrigerant heat exchanger 5 Hot water connection piping 6 Water connection piping 7 Discharge pipe 8 Connection pipe 8a Branch pipe 11 Refrigerant 12 Water (or antifreeze liquid)
14 Water flow path
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| JP2011184408A JP5877324B2 (en) | 2011-08-26 | 2011-08-26 | Heat pump unit |
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| JP2011184408A JP5877324B2 (en) | 2011-08-26 | 2011-08-26 | Heat pump unit |
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| JP5877324B2 true JP5877324B2 (en) | 2016-03-08 |
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| JP4228976B2 (en) * | 2004-04-19 | 2009-02-25 | パナソニック株式会社 | Heat pump water heater |
| JP4177285B2 (en) * | 2004-04-28 | 2008-11-05 | ホシザキ電機株式会社 | Cooling storage |
| JP4124172B2 (en) * | 2004-06-28 | 2008-07-23 | 松下電器産業株式会社 | Heat pump water heater |
| JP4349312B2 (en) * | 2005-04-08 | 2009-10-21 | パナソニック株式会社 | Heat pump water heater |
| JP2007064543A (en) * | 2005-08-31 | 2007-03-15 | Hitachi Engineering & Services Co Ltd | Multiply arranged double pipe heat exchanger and water heater therewith |
| JP2009243798A (en) * | 2008-03-31 | 2009-10-22 | Mitsubishi Electric Corp | Heater for water for hot-water supply system, and hot-water supply system |
| JP4912419B2 (en) * | 2009-02-02 | 2012-04-11 | 三菱電機株式会社 | Heat pump water heater |
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